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Old 07-03-2003, 12:02 PM
manny manny is offline
Registered User
Join Date: Feb 2003
Location: Ontario, Canada
Posts: 3,160
I'm going to answer your questions with more questions.

1. When was the last tune-up ?
2. Have you tried switching brands of fuel ?
3. When was the last time the O2 sensor was changed, or at least scrutinized ?

Changing the cat is the absolute last option !
2007 C 230 Sport.
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